This graph shows the number of British passport applications from residents in Northern Ireland (NI) and the Republic of Ireland (ROI) since 2015. It shows a fall in British passport applications since the UK's Brexit referendum in 2016 – a 13% fall in applications from Northern Ireland and a 16% fall in applications from the Republic of Ireland.

This graph shows the number of Irish passport applications from residents in Northern Ireland (NI) and from Great Britain (GB) since 2012. It shows a rise in Irish passport applications since the UK's Brexit referendum in 2016. Provisional figures for 2018 further show a doubling in application numbers from both NI (106% increase) and GB residents (116% increase) since 2012.

This chart shows the number of emergency incidents in the Republic of Ireland and Northern Ireland which required paramedics to cross the NI/ROI border to provide additional support. The data is from October 2015 - when ambulance data in the Republic was first collated in electronic format on a centralised database - to March 2018. The Northern Ireland Ambulance Service attended 221 cross-border emergency calls in the Republic while their counterparts in the National Ambulance Service responded to 132 incidents in Northern Ireland during the timeframe. See also the chart 'Ambulance Call-outs from Northern Ireland to the Republic (by county)' in our Data Guide Brexit.

Data source: Northern Ireland Ambulance Service and the National Ambulance Service (Ireland)

This chart shows the number of pupils resident in the Republic of Ireland who attend primary and post-primary schools in Northern Ireland. It also portrays the number of primary and post-primary pupils with an address in Northern Ireland attending schools in the Republic.

Department of Education Northern Ireland and Department of Education and Skills (Ireland): 2017/18 school year

This chart shows the number of times paramedics from Northern Ireland crossed the border to provide additional support at emergency incidents in the Republic of Ireland between October 2015 and March 2018. The Northern Ireland Ambulance Service attended 221 cross-border emergency incidents during that timeframe - the majority in Donegal. See also the chart 'Ambulance Call-outs Between Northern Ireland and the Republic of Ireland' in our Data Guide Brexit.